ML18043A579

Forwards LER 79-011/03L-0

ML18043A579
Person / Time
Site:	Palisades
Issue date:	03/26/1979
From:	HOFFMAN D P CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	KEPPLER J G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18043A580	List: ML18043A579 ML18043A581
References
NUDOCS 7903290135
Download: ML18043A579 (4)

Text

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• consumers Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201

• Area Code 517.788-0550 March 26, 1979 Mr James G Keppler Office of Inspection and Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKEr 50-255 -LICENSE DPR-20 -PALISADES PLANT -LICENSEE EVENT REPORT 79-0ll On the reverse side is Licensee Event Report 79-0ll which is reportable*

under Technical Specification 6.9.2.b.(2).

David P Hoffman (Signed) David P Hoffman Assistant Nuclear Licensing Administrator CC: Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement 1903290 /35

• Palisades NRC FORM386 '7*771 .. -.7,. .. u. s. .c-t***""., LIC§NSEE EVENT REPORT ..*. . .

CONTROL. BL.OCK: j,/'"1 I 1h ,,,.1 .i\.!.; (PLEASE PRINT ,!J'E'ALb REQUIRED INFORMATIONI

_," !ill I M T I LI 1 101 I )I I I I a$*f@t 4 11 11 11 11 101 I 115\ 7 8 9 uc;_ENSEE CODE 14 ff' L.ICENSE NUMBER 25 26 L.ICENSE TYPE JO 57 CAT 58 '...:.; CON'T r* ./:, .

I 5 !0 012 I 51 5(?)10 I@! o 131216 I 7191@ ,' . 60 61 NUMBER 68 69 EVENT OAT! 74 75 REPORT DATE 80 ;EVENT DESCRIPTION ANO CONSEQUENCES@ I During normal pJant operation, 'the!<itP'i-ima.ry data such that no_.iil1fucore ala.riilS be printed *01411 was as required by:..11$ 3.11.e *

[]]]) The crnnimter was restqred is an onerable logger became inoperable, out.

reduction

.... :fJ'* within one hour of .. -;;}? , .

commehcing the power red¢ction.

No to public health or safety 790329 0 13 &' I so ao I 80 8p 80 BO 80

• General Offices: :212 West Michigan Avenue, Jackson, Michigan 49:201

• Area Code 517 788-0550 March 26, 1979 Mr James G Keppler Office of Inspection and Enforcement Region III US Nuclear Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 -LICENSE DPR-20 -PALISADES PLANT -LICENSEE EVENT REPORT 79-011 On the reverse side is Licensee Event Report 79-011 which is reportable under Technical Specification 6.9.2.0.(2).

David P Hoffman Assistant Nuclear Licensing Administrator CC: Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement Pali sad.es NRC FORM 366 (7-77) U.S. NUCLEAR REGULATORY COMMISSION

' ... LICENSEE EVENT REPORT CONTROL BLOCK:

1 6 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONJ

[IT2J I M I I Pl !J LI 1

="-,,.,.._....._,_._,___.__.J-........1101 4 11 11 11 11 101 I 10 7 B 9 LICENSEE CODE 14 ,5 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT CON'T [ill] 7 8 lJ:J©I o I 5 Io I b I o I 2 I 5 I 51<2)!0 I 2 I 2 17 I 7 19 I© I o I 3 ! 2 I 6 I 7 I 9 10 60 61' DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES

{iO) []JI] IIIIl cmJ [ill] [ill] I During normal operation,"the primary data logger became inoperable, such that no incore alarms could not be printed out. Power reduction was commenced as required by TS The con;p11ter was restored to an operable status within one hour of commencing the power reduction.

No threat to public health or safety ITTIJ existed. []]]] 7 8 9 [ill] 7 8 SYSTEM CODE I IIF I@ 9 -10 (.'.;\ LEA/RO CV ENT YEAR \;..:,/ REPORT I 7 I 91 NUMBER 21 22 80 CAUSE CAUSE COMP. VALVE CODE SUBCODE COMPONENT CODE SUB CODE SUB CODE IE I@ I!lif I s1T I RIU I@ L..1.J@ LIJ@ 11 12 13 18 19 20 SEQUENTIAL OCCUR REN CE REPORT REVISION*

OEP01T NOl CODE TYPE l=.J I I I I k'I !O

• 13 I LlJ l=J L£j 23 24 26 27 28 29 30 31 32 EFFECT SHUTDOWN ATTACHMENT NPRD-4 PRIME COMP COMPCNENT ON PLANT METHOD HOURS SUBMITTED FORM SUB. SUPPLIER * !-JANUaAC'.PJRE W@LzJ W@ L..&J I o I OI o I o1 L!J@ L!J@ IN Iv I u Io !'26' 33 34 35 36 40 41 42 43 \.:;:J 44

• ACTION FUTURE TAKEN ACTION CAUSE DESCRIPTION ANO CORREC"rtVE ACTIONS 27 47 I The condition was caused by multiplexer failure at the computer input/ ITTIJ [ill] output; specifically, multiplexer r.elays had failed. The relays were replaced, and the computer was restored to service. No further action is contemplated at this time. [J]]]

1 a s FACILITY STATUS %POWER OTHERSTATUS IIfil 1.EJ@ I i Io I o I@._! _N"'-/ A ____ .....J 7 *g AgTIVITY 12 13 44 RELEASED OF RELEASE AMOUNT OF ACTIVITY@*

Ll.J@I N/A I 7 B g 44 80 METHOD OF DISCOVERY DISCOVERY

@

__ o_b_s_e_r_v_a_t_i_o_n

_____ 80 N/A LOCATION OF RELEASE @ 45 80 NUMBER (.;:;\TYPE DESCRIPT)9N@

_____________________ ' 8 9 11 12 13 PERSONNEL INJURIES Q 80 ---------------NUMBER jOIO 10

___ 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY t4:j\ TYPE DESCRIPTION so PUBLICITY G\ ISSUEDC,:;\

NRC USE ONLY 1'/. . 1111111111111 7 8 9 ........ . . . 68 69 BC 1..-------------------------------------------------------